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Finding the Fourth Proportional to 4,955.89, 7,433.87 and 1,668.93

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Solution

The fourth proportional to 4,955.89, 7,433.87 and 1,668.93 is: 2,503.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.89 : 7,433.87 = 1,668.93 : x
  2. Step 2: Convert to fraction form
    4,955.89/7,433.87 = 1,668.93/x
  3. Step 3: Cross multiply
    4,955.89x = 7,433.87 × 1,668.93
  4. Step 4: Simplify right side
    4,955.89x = 12,406,608.66
  5. Step 5: Solve for x
    x = 12,406,608.66/4,955.89
  6. Step 6: Final answer
    x = 2,503.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.